why ruin the taste of anything with the mixture of tomato and vinegar? I prefer tomatoes as tomatoes, not made into something else. If I need a sauce on my meats, I'd rather have barbecue sauce.
It's obvious that there are people, who enjoy the wonderful taste of the sweetest tomatoes and the brightest vinegar, enhancing and folding into the hidden flavors of whatever it's put on. While I wouldn't call them heathens, but there are some, who don't appreciate ketchup's exquisite flavor.
BTW I said I wouldn't call them heathens. And, honestly, outside of the baked goods, cereals, and deserts; I'd put ketchup on all that stuff.